Superior Electric Beach/Outdoors Report. Here are the current conditions for the Lake Michigan shoreline and Mason County (including Pentwater) as of 8:30 a.m. Lake Michigan water temperatures: Ludington Stearns Park: 35 F Ludington State Park (Big Sable Point): 35 F Summit Park: 35 F Pentwater: 49 F Afternoon air temperatures: Ludington: Cloudy becoming mostly cloudy by 11 a.m. 65…